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[Objective]To introduce the surgical technique and its rationale and to evaluate the early and mid-term clinical outcome of routine core decompression and insertion of a biomaterial loaded allograft threaded cage(ATC) in the treatment of necrotic femoral head.

[目的]回顾性分析髓(心)减压及异体螺纹骨笼结合脱钙骨基质和自体骨植入治疗早期股骨头坏死的临床疗效,探讨其影响因素。

After a series of radio frequency/vacuum (RF/V) drying tests were conducted by using boxed-heart timber of Japanese plantation species, Sugi, the drying characteristics and corresponding RF/V conditions were investigated.

通过对日本人工林木材柳杉髓(心)方材进行系列高频真空干燥试验 ,掌握柳杉髓(心)方材的干燥特性及相应的高频真空干燥条件。